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| Catalog Number | CI-HC-0160 |
| Product Name | Zea Mays (Corn) Starch 9230 |
| CAS | 9005-25-8 |
| Description | Zea Mays (Corn) Starch 9230 is a type of corn starch that is commonly used in a variety of cosmetic and personal care products. It is a fine, white powder that functions as a thickening and bulking agent, as well as providing a smooth, silky texture to products. |
| Appearance | white, fine powder with a neutral odour |
| Application | 1. Food and beverage industry: Corn starch 9230 is used as a thickener, stabilizer, and bulking agent in a wide range of food and beverage products, including soups, sauces, gravies, dressings, and baked goods. 2. Pharmaceutical industry: Corn starch 9230 is used as an excipient in the production of tablets, capsules, and other solid dosage forms. It helps to bind the ingredients together and to facilitate the disintegration and dissolution of the tablet/capsule in the body. 3. Personal care industry: Corn starch 9230 is used as an absorbent and bulking agent in personal care products, such as body powders, talcum powders, and dry shampoos. 4. Paper industry: Corn starch 9230 is used as a binder and filler in the production of paper and paper products. It improves the strength and printability of the paper. 5. Textile industry: Corn starch 9230 is used as a sizing agent in the textile industry to make the yarns smoother and reduce breakage during weaving. 6. Biodegradable plastics: Corn starch 9230 is also used as a raw material for the production of biodegradable plastics, which are environmentally friendly and can be broken down by natural processes. |
| Features And Benefits | 1. Absorbs excess oil and sweat 2. Acts as a thickener for creams and lotions 3. Provides a silky and smooth feel to the skin 4. Helps in binding the ingredients together 5. Enhances shelf life of the products 6. Non-irritating and safe for sensitive skin 7. Allows easy spreadability of cosmetics 8. Reduces skin irritation and inflammation 9. Acts as a natural alternative to talc 10. Non-comedogenic, meaning it won't clog pores. |
Suning Zhang, et al. Carbohydrate Polymers, 2023, 314, 120903.
A microcapsule with modified porous corn starch and whey protein as wall materials and sunscreen agents was developed, with an embedding rate of 32.71% and an average particle size of 7.98 μm.
Preparation and properties of sunscreen microcapsules
· The process began by enzymatically modifying corn starch to create starch granules with a porous structure that exhibited biocompatibility and biodegradability.
· These modified starch granules, known for their excellent absorbability, were utilized to absorb organic ultraviolet absorbers such as 2-[4-(diethylamino)-2-hydroxybenzoyl] benzoic acid hexyl ester and ethylhexyl methoxycinnamate.
· Whey protein was then employed to emulsify the sunscreen starch granules, enhancing the stability of the absorbed starch particles. Through spray-drying at low temperatures, whey proteins were denatured and formed thin films on the surface of the starch granules.
· After enzymatic hydrolysis, the starch formed a porous structure, and its specific volume and oil absorption rate increased by 39.89% and 68.32% respectively compared with those before enzymatic hydrolysis.
· Compared with the uncoated emulsion control group, the SPF value of the emulsion containing sunscreen microcapsules increased by 62.24%, and the photostability of the sunscreen microcapsules increased by 66.28% within 8 h under an irradiation intensity of 25 w/m2.
Eskandarinia, Asghar, et al. Carbohydrate polymers, 2019, 216, 25-35.
A film dressing (CS/HA/EEP) was prepared by solvent casting using a combination of corn starch (CS), hyaluronic acid (HA), and propolis ethanol extract (EEP). The results of in vitro and in vivo evaluations showed that the CS/HA/EEP blended film dressing had antibacterial and accelerated wound healing functions.
Preparation procedure of CS/HA/EEP blended film dressing
· In order to make a 2 wt% cornstarch solution, 2 grams of starch was dissolved in 100 mL of distilled water at 120 °C for 30 minutes, as the optimum concentration.
· Once the starch had fully dissolved, glycerol (20 g/100 g of starch) was added as a plasticizing agent. The solution was then stirred magnetically for 1 minute and left for 15 minutes to ensure complete glycerol solubilization (CS, pH= 6.81).
· After the starch had completely dissolved in the water, the film-forming solution was cooled to 30 °C, and 1 wt% of hyaluronic acid was added and left to mix for 30 minutes (CS/HA, pH= 6.65).
· Subsequently, 0.25 wt%, 0.5 wt%, and 1 wt% ethanolic extract of propolis were added to the polymer/hyaluronic acid solution in stages, with each mixture being stirred for 20 minutes.
· The solution was then divided into acrylic plates and dried in a forced air oven at 37 °C for 16 hours. The resulting gel was degassed with a vacuum pump (temperature, 40 °C, vacuum, 6 Pa) for 10 minutes, poured into glass Petri dishes, and dried at 50 °C for 24 hours to create the film.
What is Zea mays starch used for?
Zea mays starch is used for abrasive action, absorbent property, surfactant and cleansing, skin and hair conditioning, and viscosity controlling properties.
How is Zea mays starch used in skin care products?
It can be used in mineral makeup, powder foundations, and eyeshadows. It helps with greasiness and is good for oily skin. It is also used as a thickening agent and absorbs oils effectively.
What is the origin of Zea mays starch?
Zea mays starch is derived from corn plant seeds. Warm water with dissolved sulphur dioxide is used to soften cleaned corn kernels, and then starch and protein are separated through a series of processes.
How is Zea mays starch processed to create hydrolyzed corn starch?
The process involves treating the slurry of washed corn starch with diluted mineral acid at an elevated temperature but below the gelatinization temperature for varying amounts of time. The starch is then filtered, washed, and dried after neutralization with sodium carbonate.
What are the functions of Zea mays starch in a formulation?
Zea mays starch functions as an abrasive, absorbent, anticaking agent, skin protectant, and viscosity controller in various formulations.
Is Zea mays starch safe for use in cosmetics and personal care products?
Yes, Zea mays starch has been determined to be safe for use in cosmetics and personal care products by the Cosmetic Ingredient Review (CIR) Expert Panel.
Are there any safety test data available for all corn ingredients?
No, there are no safety test data available for all corn ingredients. However, the CIR Expert Panel has determined that the available data on the chemical characterization of Zea mays starch can be applied to ingredients with similar compositions.
How does Zea mays starch help with caking prevention in cosmetic products?
Zea mays starch provides efficient spreadability in products, preventing caking and ensuring smooth application.
Can Zea mays starch be used as a substitute for talc in cosmetics?
Yes, Zea mays starch can be used as a substitute for talc in cosmetics, providing mattifying and absorbent properties.
What other ingredients in the corn plant are used in the cosmetics and personal care industry?
Other ingredients of the corn plant, such as corn oil and corn powder, are also widely used in the cosmetics and personal care industry.
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